Comovements of exchange rates before and during Asian financialcrisis are examined using cross-spectral methodology. The paper proposes and implements a simple frequency-domain-based test for contagion that avoids biases of the correlation breakdown tests used in the extant literature. The Asian...

The link between capital controls and stock market volatility is examined using frequency domain techniques. Conventional analyses of the second moments can produce spurious results if the high-frequency volatility is reduced (increased) while the overall volatility is increased (reduced)